package cn.njxzc.examples;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.BufferedReader;

public class Exam9_4 {

	public static void main(String[] args) throws IOException {

		InputStreamReader isr = new InputStreamReader(System.in);

		BufferedReader buf = new BufferedReader(isr);

		String s = buf.readLine();

		while (!s.equals("end")) {

			System.out.println("Echo:" + s);

			s = buf.readLine();

		}

	}

}
